# with open('c.txt', 'w', encoding='utf-8') as f:
#     f.write('aaaaaa\n')
#     f.write('bbbbbb\n')
#     f.write('cccccc\n')
#     f.write('dddddd\n')
#     f.write('eeeeee\n')
#     f.write('ffffff\n')
#     f.close()
#
# with open('c.txt', 'r', encoding='utf-8') as f:
#     while True:
#         line = f.readline()
#         if not line:
#             break
#         else:
#             print(line, end='')
#